List three characteristic findings on a venogram in a patient with SVC obstruction. List three therapeutic options for patients with external compression of the SVC. What are common causes of SVC compression? What are common causes of SVC thrombosis? What is SVC syndrome? What studies are appropriate if SVC obstruction is clinically suspected? Book traversal links for SVC syndrome ‹ What is normal pulmonary artery pressure? Up List three characteristic findings on a venogram in a patient with SVC obstruction. ›